Densometer
n. (纸张)透气度测定仪, 密度计
🗣️ 情景例句
So we will be needing more room.
所以我们也将需要更大的空间。
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
I have never been abroad.
我没迈出过国门半步。